KR101201307B1 - 백라이트유닛 - Google Patents
백라이트유닛 Download PDFInfo
- Publication number
- KR101201307B1 KR101201307B1 KR1020050058215A KR20050058215A KR101201307B1 KR 101201307 B1 KR101201307 B1 KR 101201307B1 KR 1020050058215 A KR1020050058215 A KR 1020050058215A KR 20050058215 A KR20050058215 A KR 20050058215A KR 101201307 B1 KR101201307 B1 KR 101201307B1
- Authority
- KR
- South Korea
- Prior art keywords
- light emitting
- bottom cover
- light
- plate
- region
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133603—Direct backlight with LEDs
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133605—Direct backlight including specially adapted reflectors
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133609—Direct backlight including means for improving the color mixing, e.g. white
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Planar Illumination Modules (AREA)
- Liquid Crystal (AREA)
Abstract
Description
Claims (6)
- 보텀커버;상기 보텀커버 상에 형성되고 단면이 경사진 형상의 반사판;상기 보텀커버의 내부에 형성되어 상기 반사판에 형성된 홀을 통해 발광영역이 돌출되며, 측면에 오목부를 갖는 복수 개의 R, G, B 발광다이오드; 및상기 반사판으로부터의 광을 확산시키기 위한 확산판을 포함하며,상기 발광다이오드에서 방출되는 광은 상기 확산판과 상기 반사판에 의해 혼합되어 백색 광을 구현하며,상기 반사판은 상기 발광다이오드와 상기 보텀커버의 일측면 사이에 위치하며, 상기 발광다이오드의 측면에서 신장되어 상기 보텀커버와 θ1의 각도만큼 경사진 제 1 영역;상기 제 1 영역과 상기 보텀커버의 일측면 사이에 위치하며, 상기 제 1 영역에서부터 신장되어 상기 보텀커버와 θ2의 각도만큼 경사진 제 2 영역;서로 인접한 상기 발광다이오드 사이에 위치하며, 상기 보텀커버와 θ3의 각도만큼 경사진 제 3 영역; 및서로 인접한 상기 발광다이오드 사이에서 상기 보텀커버와 평행한 제 4 영역을 포함하며,상기 θ1, θ2, θ3의 각도가 작을수록 상기 확산판과 발광다이오드 사이의 거리가 멀어지고, 상기 θ1, θ2, θ3의 각도가 클수록 상기 확산판과 발광다이오드 사이의 거리가 가까워지는 것을 특징으로 하는 백라이트 유닛.
- 삭제
- 제 1 항에 있어서,상기 θ1의 각도는 0° 초과 90° 이하이며,상기 θ2의 각도는 5°이상 90° 미만인 것을 특징으로 하는 백라이트 유닛.
- 제 1 항에 있어서,상기 θ3의 각도는 5° 이상 90° 이하인 것을 특징으로 하는 백라이트 유닛.
- 제 1 항에 있어서,상기 반사판은 알루미늄의 재질인 것을 특징으로 하는 백라이트 유닛.
- 삭제
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020050058215A KR101201307B1 (ko) | 2005-06-30 | 2005-06-30 | 백라이트유닛 |
| US11/295,515 US8011804B2 (en) | 1920-06-30 | 2005-12-07 | Backlight unit |
| DE102005060334A DE102005060334B4 (de) | 2005-06-30 | 2005-12-16 | Hinterleuchtungseinheit |
| JP2005364855A JP4236204B2 (ja) | 2005-06-30 | 2005-12-19 | バックライトユニット |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020050058215A KR101201307B1 (ko) | 2005-06-30 | 2005-06-30 | 백라이트유닛 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20070002612A KR20070002612A (ko) | 2007-01-05 |
| KR101201307B1 true KR101201307B1 (ko) | 2012-11-14 |
Family
ID=37562665
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020050058215A Expired - Lifetime KR101201307B1 (ko) | 1920-06-30 | 2005-06-30 | 백라이트유닛 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US8011804B2 (ko) |
| JP (1) | JP4236204B2 (ko) |
| KR (1) | KR101201307B1 (ko) |
| DE (1) | DE102005060334B4 (ko) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019235900A1 (ko) * | 2018-06-08 | 2019-12-12 | 서울바이오시스 주식회사 | 발광 소자 패키지 및 이의 제조 방법 |
Families Citing this family (31)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101183447B1 (ko) * | 2005-06-30 | 2012-09-17 | 엘지디스플레이 주식회사 | 액정표시장치용 반사시트 및 이를 이용한백라이트어셈블리와 액정표시장치모듈 |
| KR101212210B1 (ko) * | 2005-12-26 | 2012-12-13 | 엘지디스플레이 주식회사 | 백라이트 유닛 및 그를 구비한 액정표시장치 |
| KR20080002003A (ko) * | 2006-06-30 | 2008-01-04 | 엘지.필립스 엘시디 주식회사 | 백라이트 유닛 |
| DE102007002403B4 (de) | 2007-01-17 | 2016-03-03 | Osram Gmbh | Beleuchtungsanordnung, Mehrfach-Lichtmodul, Leuchte und deren Verwendung |
| JP4955101B2 (ja) * | 2007-05-10 | 2012-06-20 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | Ledアレイシステム |
| KR101363673B1 (ko) * | 2007-06-14 | 2014-02-17 | 엘지디스플레이 주식회사 | 백라이트 유닛 및 이를 구비한 액정표시장치 |
| US8322881B1 (en) * | 2007-12-21 | 2012-12-04 | Appalachian Lighting Systems, Inc. | Lighting fixture |
| KR100934494B1 (ko) * | 2007-12-26 | 2009-12-30 | 희성전자 주식회사 | 백라이트 광원용 엘이디 패키지 |
| KR100918873B1 (ko) * | 2008-02-20 | 2009-09-28 | 희성전자 주식회사 | 발광다이오드 램프를 이용한 직하 조광형 백라이트 장치 |
| KR20100095812A (ko) * | 2009-02-23 | 2010-09-01 | 삼성전자주식회사 | 백 라이트 유닛 및 이를 포함하는 액정표시장치 |
| US8109647B2 (en) | 2009-07-28 | 2012-02-07 | Lg Innotek Co., Ltd. | Lighting device |
| JP5574642B2 (ja) * | 2009-09-02 | 2014-08-20 | 積水化成品工業株式会社 | 照明体 |
| US9797580B2 (en) * | 2010-05-24 | 2017-10-24 | Abl Ip Holding Llc | LED light fixture |
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| JP2012182023A (ja) * | 2011-03-01 | 2012-09-20 | Panasonic Liquid Crystal Display Co Ltd | 面光源装置、液晶表示装置、及びテレビジョン受信機 |
| JP5449274B2 (ja) * | 2011-03-25 | 2014-03-19 | シャープ株式会社 | 照明装置、および表示装置 |
| CN103062710B (zh) * | 2011-10-18 | 2015-04-29 | 北京莱易龙光电科技有限公司 | 一种用于灯箱的模组型光源盒装置 |
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| JP5999984B2 (ja) * | 2012-05-28 | 2016-09-28 | シャープ株式会社 | 照明装置および表示装置 |
| KR101424627B1 (ko) * | 2012-06-13 | 2014-08-04 | 희성전자 주식회사 | 백라이트 장치의 커버버텀 |
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| WO2015119633A1 (en) * | 2014-02-10 | 2015-08-13 | Lellan, Inc | Light diffusion device |
| JP6273968B2 (ja) * | 2014-03-28 | 2018-02-07 | 船井電機株式会社 | 表示装置 |
| US20180231839A1 (en) * | 2015-12-02 | 2018-08-16 | Sharp Kabushiki Kaisha | Lighting device, display device, and television device |
| CN108037612A (zh) * | 2017-11-30 | 2018-05-15 | 青岛海信电器股份有限公司 | 液晶显示装置 |
| JP6467081B2 (ja) * | 2018-02-21 | 2019-02-06 | シャープ株式会社 | 照明装置、表示装置、及びテレビ受信装置 |
| CN109709717A (zh) * | 2019-02-14 | 2019-05-03 | 惠州市华星光电技术有限公司 | 背光模组及液晶显示装置 |
| TWI733350B (zh) * | 2020-02-27 | 2021-07-11 | 友達光電股份有限公司 | 直下式背光模組的陣列反射結構 |
| CN114764159A (zh) * | 2021-01-13 | 2022-07-19 | 高创(苏州)电子有限公司 | 一种反射片及其制备方法、背光模组及显示装置 |
| JP7250966B1 (ja) | 2022-01-19 | 2023-04-03 | ミネベアミツミ株式会社 | 面状照明装置 |
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| JPH11260122A (ja) * | 1998-03-13 | 1999-09-24 | Omron Corp | Ledアレイ |
| JP2002082624A (ja) * | 2000-09-08 | 2002-03-22 | Advanced Display Inc | 面状光源装置およびそれを用いた面状表示装置 |
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2005
- 2005-06-30 KR KR1020050058215A patent/KR101201307B1/ko not_active Expired - Lifetime
- 2005-12-07 US US11/295,515 patent/US8011804B2/en active Active
- 2005-12-16 DE DE102005060334A patent/DE102005060334B4/de active Active
- 2005-12-19 JP JP2005364855A patent/JP4236204B2/ja active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11260122A (ja) * | 1998-03-13 | 1999-09-24 | Omron Corp | Ledアレイ |
| JP2002082624A (ja) * | 2000-09-08 | 2002-03-22 | Advanced Display Inc | 面状光源装置およびそれを用いた面状表示装置 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019235900A1 (ko) * | 2018-06-08 | 2019-12-12 | 서울바이오시스 주식회사 | 발광 소자 패키지 및 이의 제조 방법 |
| US12300773B2 (en) | 2018-06-08 | 2025-05-13 | Seoul Viosys Co., Ltd. | Light-emitting device package and manufacturing method therefor |
Also Published As
| Publication number | Publication date |
|---|---|
| US8011804B2 (en) | 2011-09-06 |
| JP2007012586A (ja) | 2007-01-18 |
| JP4236204B2 (ja) | 2009-03-11 |
| US20070002565A1 (en) | 2007-01-04 |
| DE102005060334A1 (de) | 2007-01-11 |
| DE102005060334B4 (de) | 2013-11-07 |
| KR20070002612A (ko) | 2007-01-05 |
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